Inventor · disambiguated record
Donald Griffin Bruce
Also filed as: BRUCE DONALD · BRUCE DONALD G · BRUCE DONALD GRIFFIN
4 granted patents·111 citations·filing 1975–2014
77Inventor score
Top patents by PatentIndex Score
4 records- 0169US8800752B2Portable continuous feed delivery system and method of useSAMMONS DAVID W·Filed 2012·Granted Aug 12, 2014·3 cites·20 claims
- 0268US3934804ASupport for mannequin headsRAYMOND LEE ORGANIZATION INC·Filed 1975·Granted Jan 27, 1976·31 cites·3 claims
- 0362US4695275AMiddle ear ventilation tubeBRUCE DONALD·Filed 1985·Granted Sep 22, 1987·74 cites·19 claims
- 0455US9433143B2Drop spreader for powdered materialsSAMMONS DAVID W·Filed 2014·Granted Sep 6, 2016·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →